DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders

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Summary

CVECVE-2026-14739
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-07 23:16:54 UTC
Updated2026-07-10 14:41:16 UTC
DescriptionDBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders. The fix for CVE-2026-10879 did not allocate enough memory to handle approximately 1.2-million placeholders. DBI version 1.650 sets a hard limit of 99,999 placeholders.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.003960000 probability, percentile 0.317890000 (date 2026-07-13)

Problem Types: CWE-787 | CWE-787 CWE-787 Out-of-bounds Write

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Perl Dbi All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HMBRAND DBI affected 1.650 custom Not specified

References

ReferenceSourceLinkTags
github.com/perl5-dbi/dbi/commit/2b77c88b655e9539a592c71a61fb965fc0075395... 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com Patch
metacpan.org/release/HMBRAND/DBI-1.650/changes 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org Release Notes
www.cve.org/CVERecord 9b29abf9-4ab0-4765-b253-1875cd9b441e www.cve.org Not Applicable
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2026-06-04T00:00:00.000ZVersion 1.648 released with a fix for CVE-2026-10879.
CNA2026-07-07T00:00:00.000ZVersion 1.650 released.

Solutions

CNA: Upgrade to DBI version 1.650 or later.

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